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Building Codes & Standards Flashcards

7 cards from real CDS practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Building Codes & Standards flashcards as text
  1. When using a wrecking ball for demolition, OSHA 29 CFR 1926.859(g) restricts the swing radius to workers at what minimum distance from the ball's arc?

    Answer: 1.5 times the height of the structure

    OSHA 1926.859(g) requires all personnel to remain outside a distance equal to 1.5 times the height of the structure being demolished by wrecking ball.

  2. The ICC/ANSI A117.1 standard becomes relevant in a demolition project context when:

    Answer: Temporary accessible routes for the public must be maintained

    ICC/ANSI A117.1 accessibility standards apply when temporary pedestrian routes must be maintained near demolition sites, ensuring ADA-compliant access.

  3. Under OSHA 1926.858, what is the maximum floor loading permitted for debris accumulation before it must be removed?

    Answer: The design load capacity of the floor

    OSHA 1926.858 prohibits debris accumulation that exceeds the design load capacity of the floor to prevent structural failure during demolition.

  4. Which standard governs the minimum clearance distance between demolition blasting operations and active underground utilities?

    Answer: ANSI A10.7

    ANSI A10.7 covers safety requirements for transportation, storage, handling, and use of commercial explosives including blasting clearances near utilities.

  5. IBC Section 3302.1 requires a demolition permit application to include which critical document?

    Answer: Utility disconnection confirmation from all providers

    IBC 3302.1 mandates proof of utility disconnection from all providers before a demolition permit can be issued to prevent utility-related hazards.

  6. According to OSHA 29 CFR 1926.856, walls shall not be permitted to fall to floors below unless those floors can support a weight of at least:

    Answer: 100 psf

    OSHA 1926.856 requires that receiving floors can support a minimum of 100 psf before walls are allowed to fall onto them during demolition.

  7. Which code body publishes the standard that establishes minimum competency requirements for the Certified Demolition Supervisor (CDS) credential itself?

    Answer: NDA (National Demolition Association)

    The National Demolition Association (NDA) administers and establishes the competency framework for the Certified Demolition Supervisor credential.

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Sources & references

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  1. demolitionassociation.com — Test delivery, test dates, score validity, fees, exam format, passing score, retake fee, retake policy, score release · verified Oct 2026